casts << {:long=>'method', :short=>'m', :type=>'string', :mandatory=>true, :default=>"uclust", :allowed=>ok_methods, :disallowed=>nil}
casts << {:long=>'database', :short=>'d', :type=>'file!', :mandatory=>false, :default=>nil, :allowed=>nil, :disallowed=>nil}
casts << {:long=>'identity', :short=>'i', :type=>'float', :mandatory=>true, :default=>0.9, :allowed=>nil, :disallowed=>nil}
casts << {:long=>'method', :short=>'m', :type=>'string', :mandatory=>true, :default=>"uclust", :allowed=>ok_methods, :disallowed=>nil}
casts << {:long=>'database', :short=>'d', :type=>'file!', :mandatory=>false, :default=>nil, :allowed=>nil, :disallowed=>nil}
casts << {:long=>'identity', :short=>'i', :type=>'float', :mandatory=>true, :default=>0.9, :allowed=>nil, :disallowed=>nil}